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Table 1

Parameters of program stars and strontium abundance.

Star Teff,   K log    g Vt, km s-1 [Fe/H] ϵ(Sr) [Sr/H] [Sr/Fe] [Ba/H] Rem
turnoff stars

BS 16023–046 6360 4.5 1.4 –2.97 –0.08 –3.00 –0.03 2
BS 16968–061 6040 3.8 1.5 –3.05 –0.46 –3.38 –0.33 2
BS 17570–063 6240 4.8 0.5 –2.92 +0.10 –2.82 +0.10 –2.97 2
CS 22177–009 6260 4.5 1.2 –3.10 –0.09 –3.01 +0.09 2
CS 22888–031 6150 5.0 0.5 –3.30 –0.13 –3.05 +0.25 2
CS 22948–093 6360 4.3 1.2 –3.30 –0.20 –3.12 +0.18 –2.97 2
CS 22965–054 6090 3.8 1.4 –3.04 +0.20 –2.72 +0.32 2
CS 22966–011 6200 4.8 1.1 –3.07 +0.07 –2.85 +0.22 –2.87 2
CS 29499–060 6320 4.0 1.5 –2.70 –0.15 –3.07 -0.37 2
CS 29506–007 6270 4.0 1.7 –2.91 +0.31 –2.61 +0.30 –2.37 2
CS 29506–090 6300 4.3 1.4 –2.83 +0.54 –2.38 +0.45 –2.77 2
CS 29518–043 6430 4.3 1.3 –3.20 +0.00 –2.92 +0.28 2
CS 29527–015 6240 4.0 1.6 –3.55 –0.06 –2.98 +0.57 2
CS 30301–024 6330 4.0 1.6 –2.75 +0.27 –2.65 +0.10 –2.67 2
CS 30339–069 6240 4.0 1.3 –3.08 –0.11 –3.03 +0.05 2
CS 31061–032 6410 4.3 1.4 –2.58 +0.55 –2.37 +0.21 2

giants

HD 2796 4950 1.5 2.1 –2.47 +0.57 –2.35 +0.12 –2.68 4
HD 122563 4600 1.1 2.0 –2.82 +0.10 –2.82 +0.00 –3.67 5
HD 186478 4700 1.3 2.0 –2.59 +0.57 –2.35 +0.24 –2.67 4
BD +17°3248 5250 1.4 1.5 –2.07 +1.17 –1.75 +0.32 –1.74 2
BD –18°5550 4750 1.4 1.8 –3.06 –0.93 –3.85 –0.79 –3.67 3
CD –38°245 4800 1.5 2.2 –4.19 –1.75 –4.67 –0.48 –4.72 2
BS 16467–062 5200 2.5 1.6 –3.77 –2.30 –5.22 –1.45 2
BS 16477–003 4900 1.7 1.8 –3.36 –0.40 –3.32 +0.04 –3.62 2
BS 17569–049 4700 1.2 1.9 –2.88 +0.45 –2.47 +0.41 –2.72 4
CS 22169–035 4700 1.2 2.2 –3.04 –0.33 –3.25 –0.21 –4.17 2
CS 22172–002 4800 1.3 2.2 –3.86 –2.03 –4.95 –1.09 –4.82 2
CS 22186–025 4900 1.5 2.0 –3.00 –0.18 –3.10 –0.10 –2.94 2
CS 22189–009 4900 1.7 1.9 –3.49 –1.28 –4.20 –0.71 –4.62 2
CS 22873–055 4550 0.7 2.2 –2.99 –0.40 –3.32 –0.33 –3.37 2
CS 22873–166 4550 0.9 2.1 –2.97 +0.27 –2.65 +0.32 –3.54 3
CS 22878–101 4800 1.3 2.0 –3.25 –0.58 –3.50 –0.25 –3.57 2
CS 22885–096 5050 2.6 1.8 –3.78 –2.00 –4.92 –1.14 –4.72 2
CS 22891–209 4700 1.0 2.1 –3.29 –0.23 –3.15 +0.14 –3.65 2
CS 22892–052* 4850 1.6 1.9 –3.03 +0.47 –2.45 +0.58 –2.25 4
CS 22896–154 5250 2.7 1.2 –2.69 +0.67 –2.25 +0.44 –2.35 3
CS 22897–008 4900 1.7 2.0 –3.41 –0.08 –3.00 +0.41 –4.37 2
CS 22948–066 5100 1.8 2.0 –3.14 –0.68 –3.60 –0.46 –3.97 2
CS 22949–037* 4900 1.5 1.8 –3.97 –0.88 –3.80 +0.17 –4.47 2
CS 22952–015 4800 1.3 2.1 –3.43 –1.33 –4.25 –0.82 –4.57 2
CS 22953–003 5100 2.3 1.7 –2.84 +0.30 –2.62 +0.22 –2.45 2
CS 22956–050 4900 1.7 1.8 –3.33 –0.80 –3.72 –0.39 –3.95 2
CS 22966–057 5300 2.2 1.4 –2.62 +0.12 –2.80 –0.18 –2.95 2
CS 22968–014 4850 1.7 1.9 –3.56 –2.17 –5.09 –1.53 2
CS 29491–053 4700 1.3 2.0 –3.04 –0.33 –3.25 –0.21 –3.74 2
CS 29495–041 4800 1.5 1.8 –2.82 –0.13 –3.05 –0.23 –3.28 2
CS 29502–042 5100 2.5 1.5 –3.19 –1.98 –4.90 –1.71 –4.62 2
CS 29516–024 4650 1.2 1.7 –3.06 –0.63 –3.55 –0.49 –3.67 2
CS 29518–051 5200 2.6 1.4 –2.69 +0.45 –2.47 +0.22 –2.82 2
CS 30325–094 4950 2.0 1.5 –3.30 –2.37 –5.29 –1.99 2
CS 31082–001 4825 1.5 1.8 –2.91 +0.52 –2.40 +0.51 –2.17 4
additional giants
CS 22891–200 4700 1.3 2.0 –3.65 –1.75 –4.67 –1.02 –4.28 2
CS 22949–048 4800 1.5 2.0 –3.25 –1.39 –4.31 –1.06 –4.33 2
CS 22950–046 4650 1.0 2.2 –3.56 –1.12 –4.04 –0.48 –4.49 2

Notes. The Ba abundance has been corrected for overshooting.

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